HSTS

HTTP response header

Header usage statistics

HSTS response header information and usage statistics.
Websites using header HSTS157
Percentage of websites that use HSTS header<0.1%
Total discovered header values16
Header uses directivesNo
Header values are unique or randomNo
Most popular in the country United States

HSTS Directives

HSTS directives value information and usage statistics
DirectiveShareWebsites countUnique Values

HSTS header usage distribution by website rank



Geographical Distribution

Header usage distribution by websites across the globe.



Websites utilizing HSTS

List of websites that use HSTS header
DomainCountryRankContacts
flow.microsoft.com United States8,854
us.flow.microsoft.com United States110,706
observepoint.com United States110,949
www.observepoint.com United States110,949
wooassist.com Australia146,227
www.84em.com United States268,992
See full domain list

Common header values

List of top common HSTS header values
Header valueValue prevalence
Strict-Transport-Security: max-age=86400; preload54.14%
True18.47%
Strict-Transport-Security: max-age=<expire-time>; includeSubDomains6.37%
add_header Strict-Transport-Security "max-age=63072000";5.73%
max-age=31536000; includeSubdomains2.55%
add_header Strict-Transport-Security "max-age=63072000; includeSubDomains; preload";1.91%
max-age=15552001; includeSubDomains; preload1.91%
max-age=315360001.91%
max-age=630720001.91%
max-age=63072000; includeSubDomains; preload1.27%
, 31536000, 10.64%
"max-age=63072000; includeSubDomains; preload";0.64%
add_header Strict-Transport-Security "max-age=31536000; includeSubDomains; preload";0.64%
includeSubDomains0.64%
Strict-Transport-Security: max-age=16070400; includeSubDomains0.64%
Strict-Transport-Security: maxage=36000: includeSubDonmains0.64%